1125430654 has 4 divisors (see below), whose sum is σ = 1688145984. Its totient is φ = 562715326.

The previous prime is 1125430643. The next prime is 1125430661. The reversal of 1125430654 is 4560345211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281357662 + ... + 281357665.

It is an arithmetic number, because the mean of its divisors is an integer number (422036496).

Almost surely, 2^1125430654 is an apocalyptic number.

1125430654 is a deficient number, since it is larger than the sum of its proper divisors (562715330).

1125430654 is an equidigital number, since it uses as much as digits as its factorization.

1125430654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562715329.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1125430654 is about 33547.4388590247. The cubic root of 1125430654 is about 1040.1746051761.

Adding to 1125430654 its reverse (4560345211), we get a palindrome (5685775865).

The spelling of 1125430654 in words is "one billion, one hundred twenty-five million, four hundred thirty thousand, six hundred fifty-four".